CN101853945A - Negative plate for lead-acid flow battery - Google Patents
Negative plate for lead-acid flow battery Download PDFInfo
- Publication number
- CN101853945A CN101853945A CN201010205480A CN201010205480A CN101853945A CN 101853945 A CN101853945 A CN 101853945A CN 201010205480 A CN201010205480 A CN 201010205480A CN 201010205480 A CN201010205480 A CN 201010205480A CN 101853945 A CN101853945 A CN 101853945A
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- CN
- China
- Prior art keywords
- lead
- flow battery
- acid flow
- battery
- negative plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Inert Electrodes (AREA)
Abstract
The invention provides a negative plate for a lead-acid flow battery and relates to the technical field of battery production. A foamed nickel layer is compounded on the outer surface of a substrate which is formed by mixing and pressing carbon powder and polyethylene. The substrate of the invention is formed by mixing and pressing the carbon powder and high-density polyethylene and is equivalent to a grid of a conventional lead-acid storage battery; in the negative plate, the foamed nickel layer is compounded on the substrate to form a negative reaction active layer; and the negative plate can be combined with an appropriate positive plate and electrolyte to form the lead-acid flow battery. The lead-acid flow battery is developed from and extends an all-vanadium flow battery and is mainly characterized in that: only a single type of electrolyte which contains divalent lead ions is needed and is taken as an active substance for an oxidation reduction reaction; the lead-acid flow battery can work by using a liquid storage tank and a pump without a membrane; only a large soluble lead content of the electrolyte is required; and the lead-acid flow battery is formed through a simple dissolving process, which is easy to understand and grasp.
Description
Technical field
The present invention relates to the battery production technical field.
Background technology
It is a kind of large-scale energy storage device that electrochemistry flow battery (Electrochemical flow cell) is commonly referred to redox flow batteries (Redox flow cell).By Charleroi (Thaller) the redox flow batteries notion is proposed the earliest.Last century, the seventies U.S. developed Fe at first
3+/ Fe
2+And full vanadium (V
5+/ V
4+, V
2+/ V
3+) flow battery, in state-owned commercially available prod such as U.S., day, Australia, current China does not have a tame enterprise to stride into this battery industry, does not set foot in the research and development field of this energy storage device so far as yet at present.
The active material of flow battery is liquid, promptly as the electrode reaction active material, hold a concurrent post electrolyte again and do electrode not recurring structure variation at work, can use indefinite duration in theory, the both positive and negative polarity active material separates by the selective permeation film, and redox reaction is carried out on the barrier film both sides respectively, and monocell is made up of bipolar plates (positive pole and negative pole) and barrier film, a plurality of monocells of can connecting are formed the pile of big different model (specification), realize extensive energy storage.Cell voltage is determined by the quantity and the active material classification of Series Sheet battery.Battery capacity is by how many decisions of active material in the fluid reservoir, can 100% deep discharge and harmless substantially to battery, battery can " instant charging " (zero-time) promptly be changed the fluid reservoir of active material or begin to flow and get final product.This class battery life can reach 10 to 20 years, has that reliability height, manufacturing cost, operation and maintenance cost are all lower, a noiselessness, pollution-free, characteristics and advantage such as the construction period is short.Visual angle of conversion can be flow battery as a cycle charge-discharge " fuel cell ".It is not only a consumption chemical energy and transfers the device of electric energy to, but also is an electric energy feedway that the great development space is arranged than " fuel cell ".
The defective that existing redox flow batteries exists is:
1, the barrier film that needs ion selectivity to see through, and lead-acid flow battery is not need barrier film;
2, need the pump of supply positive and negative electrode active material reaction to want two (each one of positive and negative electrode), and lead-acid flow battery is as long as a pump;
3, need two fluid reservoirs to store the required active material of positive and negative electrode respectively, lead-acid flow battery is then as long as a fluid reservoir all is the public lead of both positive and negative polarity.
Summary of the invention
The object of the invention is to design a kind of negative plate that can overcome the lead-acid flow battery of existing redox flow batteries defective.
The present invention is mixing the outer surface of substrate composite foam nickel dam that compacting forms with polyethylene with carbon dust.
Substrate of the present invention mixes compacting by carbon dust with highdensity polyethylene, the grid that is equivalent to traditional lead acid accumulator, negative plate is a composite foam nickel dam on substrate, forms the negative reaction active layer, can form a kind of lead-acid flow battery with suitable positive plate and electrolyte.Lead-acid flow battery is the development and the extension of all-vanadium flow battery, and its main feature is: only a kind of independent electrolyte (the electric liquid that contains lead), and it is the active material that carries out redox reaction, as long as a fluid reservoir, a pump just can carry out work; Do not need barrier film; Only requiring has great amount of soluble lead in the electric liquid, simple course of dissolution just, understandable, easy control.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Embodiment
As shown in Figure 1, form negative plate at the substrate 1 outer surface composite foam nickel dam 2 that is pressed into by carbon dust and polyethylene mixing.
Claims (1)
1. the negative plate of a lead-acid flow battery is characterized in that: mixing the outer surface of substrate composite foam nickel dam that compacting forms with polyethylene with carbon dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010205480A CN101853945A (en) | 2010-06-12 | 2010-06-12 | Negative plate for lead-acid flow battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010205480A CN101853945A (en) | 2010-06-12 | 2010-06-12 | Negative plate for lead-acid flow battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101853945A true CN101853945A (en) | 2010-10-06 |
Family
ID=42805282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010205480A Pending CN101853945A (en) | 2010-06-12 | 2010-06-12 | Negative plate for lead-acid flow battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101853945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013126883A1 (en) * | 2012-02-23 | 2013-08-29 | Treadstone Technologies, Inc. | Corrosion resistant and electrically conductive surface of metal |
| CN103715447A (en) * | 2013-11-20 | 2014-04-09 | 浩源科技有限公司 | Efficient soluble lead-acid flow battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567459A (en) * | 2008-04-25 | 2009-10-28 | 北京化工大学 | Acid single flow cell |
| KR20100040606A (en) * | 2008-10-10 | 2010-04-20 | 한국과학기술연구원 | Electrode for soluble lead acid redox flow battery and soluble lead acid redox flow battery using the same |
-
2010
- 2010-06-12 CN CN201010205480A patent/CN101853945A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567459A (en) * | 2008-04-25 | 2009-10-28 | 北京化工大学 | Acid single flow cell |
| KR20100040606A (en) * | 2008-10-10 | 2010-04-20 | 한국과학기술연구원 | Electrode for soluble lead acid redox flow battery and soluble lead acid redox flow battery using the same |
Non-Patent Citations (1)
| Title |
|---|
| 《Phys.Chem.Chem.Phys.》 20040309 Derek Pletcher等 A novel flow battery: A lead acid battery based on an electrolyte with soluble lead(Ⅱ) Part Ⅱ.flow cell studies 第1779－1785页 1 第2004卷, 第6期 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013126883A1 (en) * | 2012-02-23 | 2013-08-29 | Treadstone Technologies, Inc. | Corrosion resistant and electrically conductive surface of metal |
| US9062384B2 (en) | 2012-02-23 | 2015-06-23 | Treadstone Technologies, Inc. | Corrosion resistant and electrically conductive surface of metal |
| US9493883B2 (en) | 2012-02-23 | 2016-11-15 | Treadstone Technologies, Inc. | Corrosion resistant and electrically conductive surface of metal |
| CN103715447A (en) * | 2013-11-20 | 2014-04-09 | 浩源科技有限公司 | Efficient soluble lead-acid flow battery |
| CN103715447B (en) * | 2013-11-20 | 2015-10-28 | 浩源科技有限公司 | A high-efficiency soluble lead-acid flow battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101006 |